Paroxysmal Dyskinesia can sometimes appear to be simmilar to epilepsy. This is due to symptoms including seizure-type movement, full collapse, muscle spasms (though remaining fully conscious and responsive), or relatively mild wobbling and shaking. Frequency, as well as severity/duration of episodes, can vary considerably. Once the episode is over the dog reverts back to normal almost immediately. No apparent signs of disease between episodes, and dogs don't normally suffer a loss of bladder/bowel control after an episode. Age of onset ranges from 2 months to 5 years.